What two numbers multiply to 900 and add up to -109?




Here we answer the question: "What two numbers multiply to 900 and add up to -109?"

The answer to your question is:

-100 and -9


Below we illustrate and prove that -100 and -9 multiply to 900 and add up to -109:

-100 × -9 = 900
-100 + -9 = -109

Are you asking because you are trying to figure out how to factor the following quadratic equation?

x2 - 109x + 900 = 0

If so, the solution to factor the quadratic equation above is:

(x - 100 ) (x - 9)

To summarize, since -100 and -9 multiply to 900 and add up -109, you know that the following is true:

x2 - 109x + 900 = (x - 100 ) (x - 9)


Multiply To One Number and Add Up To Another
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